This stone will do circular motion, rather than doing a straight - line motion.

这样石头就会做圆周运动, 而不是做直线运动.

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A cam is a device that can change rotary motion into linear, or straight - line, motion.

运动变为线性或直线运动的装置.

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The method about synthesis of approximate straight line motion mechanism based on moving centrode was proposed.

提出了直线导引机构的一种综合方法.

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